CN114475323B

CN114475323B - Charging pile

Info

Publication number: CN114475323B
Application number: CN202210308638.6A
Authority: CN
Inventors: 沈志功
Original assignee: Langfang Jiayangming Technology Co ltd
Current assignee: Langfang Jiayangming Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-19
Anticipated expiration: 2042-03-28
Also published as: CN114475323A

Abstract

The invention discloses a charging pile, which comprises a charging pile shell internally provided with a winding seat, wherein: the winding seat is wound with a cable; a first main conductor device penetrates through the surface of the charging pile shell; a fixed rod is arranged in the charging pile shell; the fixed rod is provided with a secondary wire guide; the cable sequentially penetrates through the auxiliary wire guider and the first main wire guider to extend out of the charging pile shell, and the tail end of the cable is connected with a charging plug; the side surface of the winding seat is provided with a driving mechanism which can recover the cable when the charging plug falls off. When the charging plug is separated from the cable, the electric control box can monitor corresponding signals, power is cut off to the cable, the winding seat is braked through the driving mechanism, and the winding seat is further controlled to reversely rotate to recover the cable. The cable has the advantages of convenience and quickness in cable expansion, low loss, high safety and convenience in adaptation.

Description

Charging pile

Technical Field

The invention relates to new energy automobile charging equipment, in particular to a charging pile.

Background

Traditional electric pile's that fills cable conductor is exposed outside, is damaged easily, has certain potential safety hazard, and for solving this problem, publication number CN 206389142U's patent discloses a fill electric pile, collects the cable in filling electric pile to can pull out or withdraw the cable as required, and then reduced the impaired possibility of cable insulation skin, reduced the risk of electric leakage. For example, the invention patent of publication number CN109159703B discloses a charging pile with a length limiting function, which mainly solves the problem that the maximum extension length of a cable cannot be limited in the conventional charging pile, so that the cable and a power interface are easy to loosen. However, the problem that the cable loss is caused by abrasion and bending is not solved in the existing charging pile capable of retracting the cable. Prior art all discloses some direction subassembly structures like patents such as flexible cage guide guider of CN201024028Y, CN211338629U rope sheave, however, the structure is more complicated, and is bulky, is unfavorable for installing on filling electric pile. As another example, the utility model patent of CN205855885U discloses a steel cable guide mechanism for a rescue winch, which mainly comprises a steel cable guide bracket and a guide wheel vertically mounted on the steel cable guide bracket, wherein an inwardly concave curved surface is arranged on the circumferential outer side of the guide wheel; the steel cable is vertically arranged on the central axis of the steel cable guide bracket and is clamped in a vertical channel formed by connecting curved surfaces by more than two guide wheels. The utility model can lead the suspension steel cable to swing according to the direction of the guide opening set by the guide plate, the swing amplitude of the suspension steel cable is limited, and the guide function is realized; meanwhile, the pressure and the friction force of the steel cable on the support are converted to the guide wheel which is easy to replace, the maintenance difficulty of the guide mechanism is reduced, and the service life of the steel cable is prolonged. The problems of complex axial structure, installation adaptation and electrical safety exist.

Disclosure of Invention

The invention aims to provide a charging pile which is convenient and fast in cable expansion, low in loss, high in safety and convenient to adapt to the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a fill electric pile, includes the electric pile casing that fills of internally mounted has the wire reel, wherein: the cable is wound on the winding seat; a first main conductor device penetrates through the surface of the charging pile shell; a fixed rod is arranged in the charging pile shell; the fixed rod is provided with a secondary wire guide; the cable sequentially penetrates through the auxiliary wire guider and the first main wire guider to extend out of the charging pile shell, and the tail end of the cable is connected with a charging plug; the side surface of the winding seat is provided with a driving mechanism which can recover the cable when the charging plug falls off. When the charging plug is separated from the cable, the electric control box can monitor corresponding signals, power off the cable, brake the winding seat through the driving mechanism and further control the winding seat to reversely rotate to recover the cable. The number of turns of the winding seat is controlled according to the preset length of the cable, so that the free tail end of the cable is recovered to the position near the first main conductor, and potential safety hazards caused by electric leakage and dragging of the cable on the ground are prevented.

In order to optimize the technical scheme, the adopted measures further comprise: the first main conductor has an outer loop; the inner side of the outer ring is provided with an inner ring which is movably matched and connected through balls; the inner wall of the inner ring is provided with connecting sheets which are arranged in pairs; a guide shaft is arranged on the connecting piece; the inner side of the inner ring is at least provided with three guide shafts, and the arc-shaped curved surfaces of the guide shafts extend to be approximately round. The arc-shaped curved surface of the guide shaft is encircled to be approximately round, so that the guide shaft can just accommodate the cable. In the use process, a user often pulls out the charged cable in various pulling directions and modes according to the height and the action habit of the user, the outer layer of the cable is basically not abraded through the adjustment of the axial direction of the first main wire guider and the adaptive clasping of the cable, and the pulling hand feeling is very good. The connecting piece is provided with a clamping column in a penetrating way, and the end part of the clamping column extends into a clamping hole on the axial direction of the guide shaft; the fixed end of the clamping column is clamped and connected on the connecting piece by the outer nut piece and the inner nut piece. The mode that adopts two card post centre gripping guiding axle is installed comparatively easily, conveniently dismantles, changes the guiding axle. The auxiliary wire guider is provided with a second main wire guider, the structure of the second main wire guider is the same as that of the first main wire guider, and the outer side of the second main wire guider is connected with a horseshoe frame through a transverse rotating shaft; a longitudinal rotating shaft is arranged near the middle part of the horseshoe frame; the tail end of the longitudinal rotating shaft is connected with a connecting rod seat through a connecting shaft bearing. The main core of the secondary wire guider is the structure of a second main wire guider, and a horseshoe frame is additionally arranged on the outer side of the secondary wire guider on the basis, so that the suitability of the cable to move in the horizontal direction of the winding seat when the cable is paid off or taken up is improved in the horizontal direction. Through the combination of the second main wire guide and the auxiliary wire guide, when a user takes out a cable, if the speed and the strength are large, the auxiliary wire guide can counteract abrasion caused by pulling force, the second main wire guide can counteract abrasion caused by the fact that the direction of the cable is various, and the cable taking-out device has more counteracting modes compared with the prior art. A sliding seat capable of sliding back and forth is arranged in the inner cavity of the charging plug near the tail end; the sliding seat is provided with a push rod which can push the charging plug away from the charging position when the power is off; the sliding seat is connected with a spring; an electromagnet is arranged near the sliding seat. The electromagnet extends from the inside of the cable and is connected into a lead of the charging plug to take power. When power is off, the charging plug can be separated from the vehicle, so that a remarkable recognition effect is achieved, and the safety is high. If the vehicle is started by mistake due to the forgetting of a driver, the limit connector is separated from the charging plug, the charging plug can be separated from the vehicle charging socket, and the fault tolerance is good. The charging plug is connected with the cable through the limiting joint. The diameter of spacing joint slightly is greater than the cable, can prevent to lose the cable behind the charging plug because gravity is pulled into in filling the electric pile casing, causes follow-up inconvenient and the cable of getting the line to fill the striking of electric pile casing internal plant, and security, reliability are all higher. The surface of the charging plug is made of impact-resistant material. Such as rubber and soft plastic, when the charging plug is separated from the cable, the limit connector is disconnected with the charging plug. Because lose electric power, the electro-magnet of getting the electricity from the wire loses magnetism, and under the effect of spring, the sliding seat outwards removes, makes the push rod extrapolate, pushes away between charging plug and the vehicle socket hole that charges, and this impact-resistant material of in-process that falls to the ground can play the guard action. Meanwhile, the process can prevent misoperation of a driver, further start the vehicle to run when charging, break the cable and prevent the charging plug disconnected from the cable from being taken away by a charging socket of the vehicle and being difficult to find or generating secondary damage.

The invention adopts the winding seat on which the cable is wound; a first main wire guide penetrates through the surface of the charging pile shell; a fixed rod is arranged in the charging pile shell; the fixed rod is provided with a secondary wire guide; the cable sequentially penetrates through the auxiliary wire guider and the first main wire guider to extend out of the charging pile shell, and the tail end of the cable is connected with a charging plug; the side surface of the winding seat is provided with a driving mechanism which can recover the cable when the charging plug falls off. When the charging plug is separated from the cable, the electric control box can monitor corresponding signals, power off the cable, brake the winding seat through the driving mechanism and further control the winding seat to reversely rotate to recover the cable. The number of turns of the winding seat is controlled according to the preset length of the cable, so that the free tail end of the cable is recovered to the position near the first main conductor, and potential safety hazards caused by electric leakage and dragging of the cable on the ground are prevented. Therefore, the invention has the advantages of convenient and fast cable expansion, low loss, high safety and convenient adaptation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a charging plug according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a first main conductor according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a secondary wire guide according to an embodiment of the invention.

Detailed Description

The present invention will be described in further detail with reference to the following examples.

The reference numbers indicate: the charging pile comprises a charging pile shell 1, a fixed rod 11, a winding seat 2, a driving mechanism 21, a charging plug 3, an anti-slip partition plate 31, an electromagnet 32, a sliding seat 33, a push rod 33a, a spring 33b, a lead 34, a cable 4, a limit joint 41, a first main lead device 5a, an outer ring 51, an inner ring 52, a connecting piece 52a, a ball 53, a guide shaft 54, a clamping hole 54a, a clamping column 55, an outer lead device 56, an inner lead device 57, a second main lead device 5b, an auxiliary lead device 6, a horse-shoe frame 61, a transverse rotating shaft 61a, a longitudinal rotating shaft 62, a connecting shaft bearing 63 and a connecting rod seat 64.

Example (b): referring to fig. 1 to 4, a charging pile includes a charging pile housing 1 having a winding seat 2 installed therein, wherein: the winding seat 2 is wound with a cable 4; a first main conductor device 5a penetrates through the surface of the charging pile shell 1; a fixed rod 11 is arranged in the charging pile shell 1; the fixed rod 11 is provided with an auxiliary wire guide 6; the cable 4 sequentially penetrates through the auxiliary conductor 6 and the first main conductor 5a to extend out of the charging pile shell 1, and the tail end of the cable 4 is connected with the charging plug 3; the winding base 2 has a driving mechanism 21 on a side surface thereof for recovering the cable 4 when the charging plug 3 is detached. When the charging plug 3 is separated from the cable 4, the electric control box can monitor corresponding signals, power off the cable 4, brake the winding seat 2 through the driving mechanism 21 and further control the winding seat 2 to reversely rotate to recover the cable 4. The number of reverse turns of the winding seat 2 is controlled according to the length of the preset cable 4, so that the free tail end of the cable 4 is recovered to the position near the first main conductor 5a, and potential safety hazards caused by electric leakage and dragging of the cable 4 on the ground are prevented. The first main wire guide 5a has an outer ring 51; the inner side of the outer ring 51 is provided with an inner ring 52 which is movably matched and connected through balls 53; the inner wall of the inner ring 52 is provided with connecting pieces 52a arranged in pairs; the connecting piece 52a is provided with a guide shaft 54; at least three guide shafts 54 are provided inside the inner ring 52, and the guide shafts 54 have an arc-shaped curved surface extending in an approximately circular shape. The arc-shaped curved surface of the guide shaft 54 embraces an approximately circular shape so that it can just receive the cable 4. In the using process, a user often pulls out the charged cable 4 in various pulling directions and modes according to the height and the action habit of the user, the outer layer of the cable 4 is basically not abraded through the adjustment of the axial direction of the first main wire guider 5a and the adaptive clasping of the cable 4, and the pulling hand feeling is very good. The connecting piece 52a is provided with a clamping column 55 in a penetrating way, and the end part of the clamping column 55 extends into a clamping hole 54a on the axial direction of the guide shaft 54; the fixed end of the locking column 55 is connected to the connecting piece 52a by the outer nut 56 and the inner nut 57. The guide shaft 54 is clamped by the two clamping columns 55, so that the guide shaft 54 is easy to mount and convenient to dismount and replace. The secondary wire guide 6 is provided with a second main wire guide 5b, the structure of the second main wire guide 5b is the same as that of the first main wire guide 5a, and the outer side of the structure of the second main wire guide 5b is connected with a horseshoe 61 through a transverse rotating shaft 61 a; the longitudinal rotating shaft 62 is arranged near the middle part of the horseshoe frame 61; the end of the longitudinal shaft 62 is connected to a connecting rod seat 64 via a connecting shaft bearing 63. The main core of the auxiliary wire guider 6 is the structure of the second main wire guider 5b, and on the basis, the horseshoe frame 61 is additionally arranged on the outer side of the auxiliary wire guider so as to increase the adaptability of the cable 4 to moving in the horizontal direction of the winding seat 2 during paying off or taking up in the horizontal direction. Through the combination of the second main thread guide 5b and the auxiliary thread guide 6, when the user pulls out the cable 4, if the speed and the strength are large, the auxiliary thread guide 6 can counteract the abrasion caused by the pulling force, the second main thread guide 5b can counteract the abrasion caused by the direction diversity of the pulling cable 4, and the cable pulling device has more counteracting modes compared with the prior art. A sliding seat 33 capable of sliding back and forth is arranged in the inner cavity of the charging plug 3 near the tail end; the sliding seat 33 is provided with a push rod 33a which can push the charging plug 3 away from the charging position when power is off; the sliding seat 33 is connected with a spring 33 b; an electromagnet 32 is also provided near the slide shoe 33. The electromagnet 32 extends from the inside of the cable 4 and is fed by a wire 34 that is connected to the charging plug 3. When power is off, the charging plug 3 can be separated from the vehicle, so that a remarkable recognition effect is achieved, and the safety is high. If the driver forgets to start the vehicle by mistake, the limit connector 41 is separated from the charging plug 3, the charging plug 3 can be separated from the vehicle charging socket, and the fault tolerance is good. The charging plug 3 is connected to the cable 4 via a limit fitting 41. The diameter of the limiting connector 41 is slightly larger than that of the cable 4, so that the cable 4 after the charging plug 3 is lost can be prevented from being pulled into the charging pile shell 1 due to gravity, subsequent inconvenience in taking the charging wire and impact of the cable 4 on internal equipment of the charging pile shell 1 are caused, and safety and reliability are high. The surface of the charging plug 3 is made of impact-resistant material. Such as rubber or soft plastic, which is disconnected from the charging plug 3 when the charging plug 3 is disconnected from the cable 4, i.e. the spacing joint 41 is disconnected from the charging plug 3. Due to the fact that electric power is lost, the electromagnet 32 which gets electricity from the lead 34 loses magnetism, the sliding seat 33 moves outwards under the action of the spring 33b, the push rod 33a is pushed outwards, the charging plug 3 and the vehicle charging socket hole are pushed away, and the impact-resistant material can play a protection role in the falling process. Meanwhile, the process can prevent misoperation of a driver, further start the vehicle to run when charging, break the cable 4 and prevent the charging plug 3 disconnected from the cable 4 from being taken away by a charging socket of the vehicle and being difficult to find or generating secondary damage.

The end of the cable 4 is connected with an electrical control box for providing power supply and power-off protection. When charging plug 3 caused because of the use misoperation and the cable end breaks away from, the electrical control box was to cable 4 outage, and started actuating mechanism 21 to the start-up operation of winding seat 2, made cable 4 retrieve, made cable 4 free end hang near first main conductor 5a end to, spacing joint 41 can prevent that cable 4 from excessively retrieving, and it causes unfavorable consequence to drop into to fill the inside of electric pile casing 1.

While the invention has been described in connection with a preferred embodiment, it is not intended to limit the invention, since various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a fill electric pile, includes that internally mounted has charging pile casing (1) of wire reel seat (2), characterized by: a cable (4) is wound on the winding seat (2); a first main wire guide (5 a) penetrates through the surface of the charging pile shell (1); a fixed rod (11) is arranged in the charging pile shell (1); a secondary wire guide (6) is arranged on the fixed rod (11); the cable (4) sequentially penetrates through the auxiliary conductor device (6) and the first main conductor device (5 a) to extend out of the charging pile shell (1), and the tail end of the cable (4) is connected with a charging plug (3); the side surface of the winding seat (2) is provided with a driving mechanism (21) which can recover the cable (4) when the charging plug (3) falls off;

a sliding seat (33) capable of sliding back and forth is arranged in an inner cavity of the charging plug (3) close to the tail end; the sliding seat (33) is provided with a push rod (33 a) which can push the charging plug (3) away from the charging position when the power is off; the sliding seat (33) is connected with a spring (33 b); an electromagnet (32) is arranged near the sliding seat (33);

said first main wire guide (5 a) having an outer ring (51); the inner side of the outer ring (51) is provided with an inner ring (52) which is movably matched and connected through balls (53); the inner wall of the inner ring (52) is provided with connecting sheets (52 a) which are arranged in pairs; a guide shaft (54) is arranged on the connecting piece (52 a); at least three guide shafts (54) are arranged on the inner side of the inner ring (52), and arc-shaped curved surfaces of the guide shafts (54) extend to be approximately circular.

2. A charging pile according to claim 1, characterised in that: the connecting piece (52 a) is provided with a clamping column (55) in a penetrating way, and the end part of the clamping column (55) extends into a clamping hole (54 a) on the axial direction of the guide shaft (54); the fixed end of the clamping column (55) is clamped and connected on the connecting piece (52 a) by an outer nut piece (56) and an inner nut piece (57).

3. A charging pile according to claim 2, characterised in that: the auxiliary wire guide (6) is provided with a second main wire guide (5 b), the structure of the second main wire guide (5 b) is the same as that of the first main wire guide (5 a), and the outer side of the structure of the second main wire guide (5 b) is connected with a horseshoe frame (61) through a transverse rotating shaft (61 a); a longitudinal rotating shaft (62) is arranged near the middle part of the horseshoe frame (61); the tail end of the longitudinal rotating shaft (62) is connected with a connecting rod seat (64) through a connecting shaft bearing (63).

4. A charging pile according to claim 1, characterised in that: the charging plug (3) is connected with the cable (4) through a limiting joint (41).

5. A charging pile according to claim 1, characterised in that: the surface of the charging plug (3) is made of impact-resistant materials.